-static void update_buflen(const BIGNUM *b, size_t *pbuflen)
-{
- size_t i;
- if (!b)
- return;
- if (*pbuflen < (i = (size_t)BN_num_bytes(b)))
- *pbuflen = i;
-}
-
-static int do_rsa_print(BIO *bp, const RSA *x, int off, int priv)
-{
- char *str;
- const char *s;
- unsigned char *m = NULL;
- int ret = 0, mod_len = 0;
- size_t buf_len = 0;
-
- update_buflen(x->n, &buf_len);
- update_buflen(x->e, &buf_len);
-
- if (priv) {
- update_buflen(x->d, &buf_len);
- update_buflen(x->p, &buf_len);
- update_buflen(x->q, &buf_len);
- update_buflen(x->dmp1, &buf_len);
- update_buflen(x->dmq1, &buf_len);
- update_buflen(x->iqmp, &buf_len);
- }
-
- m = OPENSSL_malloc(buf_len + 10);
- if (m == NULL) {
- RSAerr(RSA_F_DO_RSA_PRINT, ERR_R_MALLOC_FAILURE);
- goto err;
- }
-
- if (x->n != NULL)
- mod_len = BN_num_bits(x->n);
-
- if (!BIO_indent(bp, off, 128))
- goto err;
-
- if (priv && x->d) {
- if (BIO_printf(bp, "Private-Key: (%d bit)\n", mod_len)
- <= 0)
- goto err;
- str = "modulus:";
- s = "publicExponent:";
- } else {
- if (BIO_printf(bp, "Public-Key: (%d bit)\n", mod_len)
- <= 0)
- goto err;
- str = "Modulus:";
- s = "Exponent:";
- }
- if (!ASN1_bn_print(bp, str, x->n, m, off))
- goto err;
- if (!ASN1_bn_print(bp, s, x->e, m, off))
- goto err;
- if (priv) {
- if (!ASN1_bn_print(bp, "privateExponent:", x->d, m, off))
- goto err;
- if (!ASN1_bn_print(bp, "prime1:", x->p, m, off))
- goto err;
- if (!ASN1_bn_print(bp, "prime2:", x->q, m, off))
- goto err;
- if (!ASN1_bn_print(bp, "exponent1:", x->dmp1, m, off))
- goto err;
- if (!ASN1_bn_print(bp, "exponent2:", x->dmq1, m, off))
- goto err;
- if (!ASN1_bn_print(bp, "coefficient:", x->iqmp, m, off))
- goto err;
- }
- ret = 1;
- err:
- OPENSSL_free(m);
- return (ret);
-}
-
-static int rsa_pub_print(BIO *bp, const EVP_PKEY *pkey, int indent,
- ASN1_PCTX *ctx)
-{
- return do_rsa_print(bp, pkey->pkey.rsa, indent, 0);
-}
-
-static int rsa_priv_print(BIO *bp, const EVP_PKEY *pkey, int indent,
- ASN1_PCTX *ctx)
-{
- return do_rsa_print(bp, pkey->pkey.rsa, indent, 1);
-}
-
-/* Given an MGF1 Algorithm ID decode to an Algorithm Identifier */